Finding the Fourth Proportional to 2,380.28, 3,282.94 and 1,819.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.28 : 3,282.94 = 1,819.34 : x
2. Step 2: Convert to fraction form
   2,380.28/3,282.94 = 1,819.34/x
3. Step 3: Cross multiply
   2,380.28x = 3,282.94 × 1,819.34
4. Step 4: Simplify right side
   2,380.28x = 5,972,784.06
5. Step 5: Solve for x
   x = 5,972,784.06/2,380.28
6. Step 6: Final answer
   x = 2,509.28